Segment And Geographic Information (Operating Segments) (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Net sales	$ 625,719	$ 630,191	$ 664,038	$ 620,925	$ 709,547	$ 731,302	$ 716,868	$ 639,344	$ 756,843	$ 599,658	$ 607,522	$ 542,444	$ 2,540,873	$ 2,797,061	$ 2,506,467
Depreciation and amortization													49,672	46,449	40,942
Income from operations													92,969	100,144	116,524
Capital expenditures													38,062	45,389	28,737
Total assets	1,893,878				1,675,348				1,655,086				1,893,878	1,675,348	1,655,086
Americas [Member]
Segment Reporting Information [Line Items]
Net sales													1,615,393	1,699,110	1,490,954
Depreciation and amortization													23,881	21,810	17,142
Income from operations													77,213	58,813	55,147
Capital expenditures													18,390	33,968	19,256
Total assets	867,858				709,446				700,587				867,858	709,446	700,587
Asia [Member]
Segment Reporting Information [Line Items]
Net sales													878,307	1,066,885	957,162
Depreciation and amortization													17,031	17,351	17,270
Income from operations													62,967	78,643	93,463
Capital expenditures													11,851	6,633	5,110
Total assets	604,554				666,318				658,174				604,554	666,318	658,174
Europe [Member]
Segment Reporting Information [Line Items]
Net sales													146,648	152,558	142,508
Depreciation and amortization													2,628	2,739	2,732
Income from operations													7,149	9,535	8,517
Capital expenditures													4,323	3,932	2,316
Total assets	305,833				239,274				255,644				305,833	239,274	255,644
Corporate And Other [Member]
Segment Reporting Information [Line Items]
Total assets	$ 115,633				$ 60,310				$ 40,681				115,633	60,310	40,681
Corporate [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization													6,132	4,549	3,798
Capital expenditures													$ 3,498	$ 856	$ 2,055